Recent questions in Quantum Field Theory

+23 votes

0 answers

How did Einstein know about quantum entanglement if the experiment to prove it was years later? Who was the scientist he disagreed with about this subject?

asked Mar 20, 2022 in Quantum Field Theory by Blade1889

+6 votes

0 answers

Utilizing scanning tunneling microscope, how can one "cut" a single atom from the source material? What is the process of dislodging the atom from the source material?

asked Mar 20, 2022 in Quantum Field Theory by Gache8598

+262 votes

0 answers

Given that quantum tunnelling only takes place between two states of the same energy (because of the conservation of energy), why there is non-zero probability for an electron to escape completely from a solid?

asked Mar 20, 2022 in Quantum Field Theory by Sjr120

+86 votes

0 answers

The double-slit experiment is a famous demonstration of the wave-particle duality of light. What are some other examples of this wave-particle duality?

asked Mar 20, 2022 in Quantum Field Theory by bath master

+8 votes

0 answers

What are all of the different types of fields in quantum mechanics, particle physics, etc? For example, Higgs field, electromagnetic field, etc.

asked Mar 20, 2022 in Quantum Field Theory by tomplum

+90 votes

0 answers

In the double-slit experiment with single electrons: if the electrons are not completely isolated from the environment, does the interference pattern still appear to a certain degree?

asked Mar 20, 2022 in Quantum Field Theory by lenny

+7 votes

0 answers

Will gravitational wave experiments help with the development of a theory of quantum gravity?

asked Mar 20, 2022 in Quantum Field Theory by LizzieAnn (2.6k points)

+322 votes

0 answers

In quantum electrodynamics (QED) or quantum field theory (QFT), can we say that fields are made up of particles or vice versa (theory of relativity being an example)?

asked Mar 19, 2022 in Quantum Field Theory by SazzDazz

+6 votes

0 answers

In the double slit experiment, is it really possible to pass a single electron or a single photon? Is there really a camera that senses the passage of one electron or one photon?

asked Mar 19, 2022 in Quantum Field Theory by OldHouseNoclue32

+2 votes

0 answers

Are elementary particles actually particles or ‘excitations’ of wave-like fields?

asked Mar 19, 2022 in Quantum Field Theory by Bigstinka

+121 votes

0 answers

According to Quantum Mechanics, a particle can exist in two different places at the same time. Conversely, does Quantum Mechanics also allow for two different particles (or more) to exist in the same place at the same time?

asked Mar 19, 2022 in Quantum Field Theory by moorbathtub

+8 votes

0 answers

If spacetime is a dynamical quantity in general relativity, how can it be static at all scales in quantum field theory?

asked Mar 19, 2022 in Quantum Field Theory by collectors

+106 votes

0 answers

Why do we try to describe elementary phenomenon in physics as particles such as photons, gravitons, Higg's boson, rather than as energy fields which is their true origin?

asked Mar 18, 2022 in Quantum Field Theory by wingit

+9 votes

0 answers

If the negative energy states of Dirac's sea are defined as the vacuum which is then the reference and is assigned energy 0, wouldn't this make the positive energy state of the electron should be measured to be twice its value?

asked Mar 18, 2022 in Quantum Field Theory by Fraserj70

+13 votes

0 answers

What are entangled states and why do we use them instead of product states in quantum field theory?

asked Mar 18, 2022 in Quantum Field Theory by Gary R Smith

+1 vote

0 answers

In quantum mechanics, why atoms in ground state are not considered as completely (100%) stable?

asked Mar 18, 2022 in Quantum Field Theory by Anand Sawant

+23 votes

0 answers

Does a single photon actually go through both slits in the double slit experiment?

asked Mar 18, 2022 in Quantum Field Theory by NebulaSeeker

+47 votes

0 answers

Why is it so difficult to find a viable theory of quantum gravity?

asked Mar 18, 2022 in Quantum Field Theory by Martint86

+20 votes

0 answers

How do black holes fit into our understanding of quantum fields?

asked Mar 17, 2022 in Quantum Field Theory by StuG

+225 votes

0 answers

What is the connection between quantum field theory (QFT) and particles? How does QFT explain the behavior of particles? What is the role of gravity in QFT?

asked Mar 17, 2022 in Quantum Field Theory by Astramax

Page:

« prev
1
...
70
71
72
73
74
75
76
...
84
next »

Recent questions in Quantum Field Theory

...